Allocated fixed costs, often called common costs, are costs that are not traceable to a particular product, service, product line, or segment. They are never relevant because the costs are assigned to a number of products.llocated fixed costs, often called common costs, are costs that are not traceable to a particular product, service, product line, or segment. They are never relevant because the costs are assigned to a number of products.
Definition of roost. 1  1a : a support on which birds restb : a place where winged animals and especially birds customarily roost. 2  2 : a group of birds roosting together.
Define imposter. imposter synonyms, imposter pronunciation, imposter translation, English dictionary definition of imposter. or imÂ·posÂ·ter n. One who engages in deception under an assumed name or identity. Noun 1. imposter - a person who makes deceitful pretenses faker, impostor,...